50972856 has 64 divisors (see below), whose sum is σ = 141678720. Its totient is φ = 15150720.

The previous prime is 50972843. The next prime is 50972879. The reversal of 50972856 is 65827905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12171 + ... + 15813.

It is an arithmetic number, because the mean of its divisors is an integer number (2213730).

Almost surely, 2^50972856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50972856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70839360).

50972856 is an abundant number, since it is smaller than the sum of its proper divisors (90705864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50972856 is a wasteful number, since it uses less digits than its factorization.

50972856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716 (or 3712 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 50972856 is about 7139.5277154725. The cubic root of 50972856 is about 370.7771733439. Note that the first 3 decimals are identical.

The spelling of 50972856 in words is "fifty million, nine hundred seventy-two thousand, eight hundred fifty-six".